MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, also contains this URL. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' strongly indicates a phishing or redirection attempt. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=algae+classification+and+characteristics+pdf
- http://files.martincleaning.com/uploads/1/3/1/4/131453251/ligijeze.pdf
- http://files.businesstriptochina.com/uploads/1/3/0/7/130775640/8631894.pdf
- http://jegopate.avalongulley.com/uploads/1/3/1/6/131607600/5974948.pdf
- http://files.sargent-thamm.com/uploads/1/3/0/9/130969633/6207205.pdf
- http://files.sarg
- https://cdn.shopify.com/s/files/1/0427/9838/3260/files/vutenakurisikavenepe.pdf
- https://cdn.shopify.com/s/files/1/0435/1872/2207/files/wolapogubepenivugi.pdf
- https://cdn.shopify.com/s/files/1/0434/3093/6733/files/70928262469.pdf
- https://cdn.shopify.com/s/files/1/0429/3145/4119/files/72821371915.pdf
- https://cdn.shopify.com/s/files/1/0437/6569/4613/files/jafosasexivop.pdf
- https://cdn.shopify.com/s/files/1/0434/7248/6564/files/bassoon_fingering_chart.pdf
- https://cdn.shopify.com/s/files/1/0448/1263/2221/files/how_to_crop.pdf
- https://cdn.shopify.com/s/files/1/0437/7490/2430/files/74651884252.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/head_to_toe_assessment_example.pdf
- https://cdn.shopify.com/s/files/1/0429/7962/3071/files/nuvibawebuka.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e51.bineb46c17e5f8ab4fc890d08f137eefeba3cdeafb9138206ef9e7b74a6e9d52ae2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E51 | 5196 bytes |
font_01_sfnt_off00008fe7.binc4fcbc1631a5ad13949be6fbca595def77b001aaeadd95e678f72ba02fde651c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FE7 | 10028 bytes |
font_02_sfnt_off0000b20e.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB20E | 4324 bytes |
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